Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
What produces amniotic fluid |
Fetal kidneys Skin Tissues Membranes are |
|
|
What fetal structures help remove amniotic fluid |
GI/GU tract Lungs Membranes Cord |
|
|
Functions of amniotic fluid |
Protects Regulates pressure and temperature Essential for fetal developement such as lung development Reservour for metabolites Prevents adherent to membranes |
|
|
What can AF echogenic foci be |
Vernix caseosa Cellular debris |
|
|
AFI increases up to |
28 wks |
|
|
AFI slowly decreses after |
28 wks |
|
|
AFI peaks at |
24-28 wks |
|
|
Normal AFI range |
5-22 cm |
|
|
What is MVP AFI |
Maximum vertical pocket Measure the deepest pocket in AP |
|
|
Normal MVP AFI |
2-8 cm |
|
|
Oligo is associated with |
DRIPPP |
|
|
DRIPPP |
Demise Renal issues IUGR Post dates PROM Pre-eclampsia /eclamsia |
|
|
Poly is when |
AFI >22 MVP AFI> 8 |
|
|
Oligo is when |
AFI <5 cm MVP AFI <2 cm |
|
|
Causes of poly |
Fetal Maternal |
|
|
Fetal causes for poly |
CNS anomalies GI anomalies Facial clefts masses Fetal hydrops TTTS Sacrococcygeal teratoma Skeletal dysplasia |
|
|
Maternal causes for poly |
Gestational diabetes Rh incompatibility |
|
|
Rate of complication from amniocentesis |
.5% |
|
|
When is amnio performed |
16 wks |
|
|
Why is amnio done late in the 2nd and 3rd trimester |
To check for lung maturity |
|
|
What is LS ratio |
Lecithin/ sphingomyelin ratio To asses lung maturity through amnio |
|
|
Normal LS ratio- lung maturity |
>2:1 |
|
|
What is PG |
Phosphatidylglycerol Appears at 35 wks - shows lung maturity |
|
|
Presence of PG in amniotic fluid shows |
Lung maturity Good finding |
|
|
What is the most accurate method to check for lung maturity? |
LS ratio |
